Joints and connections – Interfitted members with external bridging piece
Patent
1988-02-05
1989-04-11
Joyce, Harold
Joints and connections
Interfitted members with external bridging piece
52664, 521274, 55355, 55502, 403265, 403346, B01D 4600
Patent
active
048195499
ABSTRACT:
A clean room ceiling grid system having a detent means for loading filter panels into ceiling grids from a clean room. The system is operable to permit removal of the filter panels by use of a filter panel removing tool. More particularly, this clean room ceiling grid system requires no plenum space use above the grid members for either installation or removal of filter panels. The system also includes means for hermetically sealing the interface of connected ceiling grid members and means for substantially laminar flow of filtered air in clean rooms.
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Gillingham Gary R.
Tokar Joseph C.
Donaldson & Company, Inc.
Joyce Harold
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